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@ARTICLE{Huesges:857738,
      author       = {Huesges, Zita and Schmalzl, Karin and Geibel, Christoph and
                      Brando, Manuel and Steglich, Frank and Stockert, Oliver},
      title        = {{R}obustness of magnons near the quantum critical point in
                      the heavy-fermion superconductor {C}e{C}u 2 {S}i 2},
      journal      = {Physical review / B},
      volume       = {98},
      number       = {13},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2018-06706},
      pages        = {134425},
      year         = {2018},
      abstract     = {Paramagnons are supposed to provide the pairing glue for
                      unconventional superconductors. For the heavy-fermion
                      superconductor CeCu2Si2, there is indeed good evidence from
                      inelastic neutron scattering (INS) that spin fluctuations
                      drive the superconductivity. Here, we present the INS
                      measurement of the inelastic response of the
                      antiferromagnetic parent compound, ‘A-type’ CeCu2Si2, to
                      probe the relation to the excitations of the superconducting
                      (‘S-type') sample. We find that the dispersion is very
                      similar in the antiferromagnetic state and in the normal
                      state of the superconducting sample. Pronounced differences
                      to the response in the superconducting state exist at low
                      energies around the zone center. These findings are in line
                      with observations of other unconventional superconductors.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-ILL},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-ILL-20110128},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
                      G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-Juel1)ILL-IN12-20150421},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000447463700003},
      doi          = {10.1103/PhysRevB.98.134425},
      url          = {https://juser.fz-juelich.de/record/857738},
}